Fix bug: getter methods for vectors should return a reference.
diff --git a/ndn-cpp/data.hpp b/ndn-cpp/data.hpp
index d7b9dbe..f368152 100644
--- a/ndn-cpp/data.hpp
+++ b/ndn-cpp/data.hpp
@@ -102,8 +102,8 @@
int getFreshnessSeconds() const { return freshnessSeconds_; }
- const std::vector<unsigned char> getFinalBlockID() const { return finalBlockID_; }
- std::vector<unsigned char> getFinalBlockID() { return finalBlockID_; }
+ const std::vector<unsigned char> &getFinalBlockID() const { return finalBlockID_; }
+ std::vector<unsigned char> &getFinalBlockID() { return finalBlockID_; }
const KeyLocator &getKeyLocator() const { return keyLocator_; }
KeyLocator &getKeyLocator() { return keyLocator_; }
@@ -191,7 +191,8 @@
const SignedInfo &getSignedInfo() const { return signedInfo_; }
SignedInfo &getSignedInfo() { return signedInfo_; }
- const std::vector<unsigned char> getContent() const { return content_; }
+ const std::vector<unsigned char> &getContent() const { return content_; }
+ std::vector<unsigned char> &getContent() { return content_; }
void setSignature(const Signature &signature) { signature_ = signature; }
diff --git a/ndn-cpp/interest.hpp b/ndn-cpp/interest.hpp
index 5d7169a..149c606 100644
--- a/ndn-cpp/interest.hpp
+++ b/ndn-cpp/interest.hpp
@@ -191,7 +191,7 @@
double getInterestLifetimeMilliseconds() const { return interestLifetimeMilliseconds_; }
- const std::vector<unsigned char> getNonce() const { return nonce_; }
+ const std::vector<unsigned char> &getNonce() const { return nonce_; }
/**
* Clear this interest, and set the values by copying from the interest struct.